<?php
declare(strict_types=1);
namespace GuzzleHttp\Psr7;
final class Header
{
public static function parse($header): array
{
static $trimmed = "\"' \n\t\r";
$params = $matches = [];
foreach ((array) $header as $value) {
foreach (self::splitList($value) as $val) {
$part = [];
foreach (preg_split('/;(?=([^"]*"[^"]*")*[^"]*$)/', $val) as $kvp) {
if (preg_match_all('/<[^>]+>|[^=]+/', $kvp, $matches)) {
$m = $matches[0];
if (isset($m[1])) {
$part[trim($m[0], $trimmed)] = trim($m[1], $trimmed);
} else {
$part[] = trim($m[0], $trimmed);
}
}
}
if ($part) {
$params[] = $part;
}
}
}
return $params;
}